1、
Spring cans are required, as practical and should not disengage from the spring pocket.
要求使用弹簧罐, 在实际中不许脱离弹簧篮子.
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2、
And for the design of rear suspension, air pocket is mostly placed on one end of the leaf spring.
后悬架设计多数采用空气弹簧布置在钢板弹簧的一端。
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